Finding the Fourth Proportional to 202,353.75, 279,248.18 and 112,929.75
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Solution
The fourth proportional to 202,353.75, 279,248.18 and 112,929.75 is: 155,843.06
Step by Step Solution
- Step 1: Write the proportion equation
202,353.75 : 279,248.18 = 112,929.75 : x - Step 2: Convert to fraction form
202,353.75/279,248.18 = 112,929.75/x - Step 3: Cross multiply
202,353.75x = 279,248.18 × 112,929.75 - Step 4: Simplify right side
202,353.75x = 31,535,427,155.36 - Step 5: Solve for x
x = 31,535,427,155.36/202,353.75 - Step 6: Final answer
x = 155,843.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.